ProSeries 8000 Vinyl Windows
Optional Constant Force balancers: This option allows the bottom lite to tilt. This stainless steel balance system never needs adjusting.
Steel Reinforced Meeting Rail: Most companies screw their hardware into hollow vinyl. It may not hold that way. We reinforce it with steel.
Massive Frame Strength: Seven structural frame chambers! More chambers, more strength.
Brickmold Style Exterior: "Stepped look" for extra beauty.
Double Locks: Each Pro Series sliding window gets 2 locks per sash for a double tight, double secure window.
Double Strength Glass: We like thick glass as it can add years of life and more durability.
Low E, Argon, Dura-Seal Spacer: These 3 extra features give the efficiency of triple pane and set our product ahead of the pack in energy efficiency.
Pro Series Lifetime Warranty: Lifetime Material and Labor - converts to 25 years on the resale of your home. Form warranty provided at install.
I applaud your very professional representatives and installers. They did a wonderful job.